Properties

Label 2-1368-1.1-c1-0-19
Degree $2$
Conductor $1368$
Sign $-1$
Analytic cond. $10.9235$
Root an. cond. $3.30507$
Motivic weight $1$
Arithmetic yes
Rational yes
Primitive yes
Self-dual yes
Analytic rank $1$

Origins

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Normalization:  

Dirichlet series

L(s)  = 1  + 5-s − 3·7-s + 3·11-s − 4·13-s − 5·17-s − 19-s − 4·25-s − 2·29-s + 8·31-s − 3·35-s − 10·37-s − 6·41-s − 7·43-s + 9·47-s + 2·49-s + 8·53-s + 3·55-s − 14·59-s − 5·61-s − 4·65-s + 6·71-s − 15·73-s − 9·77-s − 4·79-s − 4·83-s − 5·85-s + 12·91-s + ⋯
L(s)  = 1  + 0.447·5-s − 1.13·7-s + 0.904·11-s − 1.10·13-s − 1.21·17-s − 0.229·19-s − 4/5·25-s − 0.371·29-s + 1.43·31-s − 0.507·35-s − 1.64·37-s − 0.937·41-s − 1.06·43-s + 1.31·47-s + 2/7·49-s + 1.09·53-s + 0.404·55-s − 1.82·59-s − 0.640·61-s − 0.496·65-s + 0.712·71-s − 1.75·73-s − 1.02·77-s − 0.450·79-s − 0.439·83-s − 0.542·85-s + 1.25·91-s + ⋯

Functional equation

\[\begin{aligned}\Lambda(s)=\mathstrut & 1368 ^{s/2} \, \Gamma_{\C}(s) \, L(s)\cr =\mathstrut & -\, \Lambda(2-s) \end{aligned}\]
\[\begin{aligned}\Lambda(s)=\mathstrut & 1368 ^{s/2} \, \Gamma_{\C}(s+1/2) \, L(s)\cr =\mathstrut & -\, \Lambda(1-s) \end{aligned}\]

Invariants

Degree: \(2\)
Conductor: \(1368\)    =    \(2^{3} \cdot 3^{2} \cdot 19\)
Sign: $-1$
Analytic conductor: \(10.9235\)
Root analytic conductor: \(3.30507\)
Motivic weight: \(1\)
Rational: yes
Arithmetic: yes
Character: Trivial
Primitive: yes
Self-dual: yes
Analytic rank: \(1\)
Selberg data: \((2,\ 1368,\ (\ :1/2),\ -1)\)

Particular Values

\(L(1)\) \(=\) \(0\)
\(L(\frac12)\) \(=\) \(0\)
\(L(\frac{3}{2})\) not available
\(L(1)\) not available

Euler product

   \(L(s) = \displaystyle \prod_{p} F_p(p^{-s})^{-1} \)
$p$$F_p(T)$
bad2 \( 1 \)
3 \( 1 \)
19 \( 1 + T \)
good5 \( 1 - T + p T^{2} \)
7 \( 1 + 3 T + p T^{2} \)
11 \( 1 - 3 T + p T^{2} \)
13 \( 1 + 4 T + p T^{2} \)
17 \( 1 + 5 T + p T^{2} \)
23 \( 1 + p T^{2} \)
29 \( 1 + 2 T + p T^{2} \)
31 \( 1 - 8 T + p T^{2} \)
37 \( 1 + 10 T + p T^{2} \)
41 \( 1 + 6 T + p T^{2} \)
43 \( 1 + 7 T + p T^{2} \)
47 \( 1 - 9 T + p T^{2} \)
53 \( 1 - 8 T + p T^{2} \)
59 \( 1 + 14 T + p T^{2} \)
61 \( 1 + 5 T + p T^{2} \)
67 \( 1 + p T^{2} \)
71 \( 1 - 6 T + p T^{2} \)
73 \( 1 + 15 T + p T^{2} \)
79 \( 1 + 4 T + p T^{2} \)
83 \( 1 + 4 T + p T^{2} \)
89 \( 1 + p T^{2} \)
97 \( 1 - 16 T + p T^{2} \)
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   \(L(s) = \displaystyle\prod_p \ \prod_{j=1}^{2} (1 - \alpha_{j,p}\, p^{-s})^{-1}\)

Imaginary part of the first few zeros on the critical line

−9.227970694274940482118975475364, −8.630197680642780580590235451603, −7.35801470679317747358663157370, −6.65084427660654519125997905895, −6.07596938444397512729377964410, −4.93646030803797952754928020473, −3.98454062268883454433648080079, −2.92269314971800745710061052414, −1.85925474650503174098776451275, 0, 1.85925474650503174098776451275, 2.92269314971800745710061052414, 3.98454062268883454433648080079, 4.93646030803797952754928020473, 6.07596938444397512729377964410, 6.65084427660654519125997905895, 7.35801470679317747358663157370, 8.630197680642780580590235451603, 9.227970694274940482118975475364

Graph of the $Z$-function along the critical line